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EP0481948A2 - Electrical metal cabin without step potential or contact voltage - Google Patents

Electrical metal cabin without step potential or contact voltage Download PDF

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Publication number
EP0481948A2
EP0481948A2 EP91870162A EP91870162A EP0481948A2 EP 0481948 A2 EP0481948 A2 EP 0481948A2 EP 91870162 A EP91870162 A EP 91870162A EP 91870162 A EP91870162 A EP 91870162A EP 0481948 A2 EP0481948 A2 EP 0481948A2
Authority
EP
European Patent Office
Prior art keywords
cabin according
electric cabin
cabin
roof
electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91870162A
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German (de)
French (fr)
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EP0481948B1 (en
EP0481948A3 (en
Inventor
François Devaux
Marcel Lincé
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BIOVIVAT
LINCE, MARCEL
Original Assignee
Individual
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Publication of EP0481948A2 publication Critical patent/EP0481948A2/en
Publication of EP0481948A3 publication Critical patent/EP0481948A3/en
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Publication of EP0481948B1 publication Critical patent/EP0481948B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0001—Rooms or chambers
    • H05K9/0003—Shielded walls, floors, ceilings, e.g. wallpaper, wall panel, electro-conductive plaster, concrete, cement, mortar
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0001—Rooms or chambers

Definitions

  • the present invention relates to metallic electric cabins and relates to such a cabin, free from any danger linked to the step or contact voltage or free from dangers linked to the wall potential perceived by a living being treading on the ground and coming into contact. with its walls.
  • a metallic electric cabin according to the invention is characterized in that its walls consist of at least two elements, one of which is conductive and the other or the other electrically insulating.
  • the conductive element consists of metal panels connected to the ground and the insulating element consists of an electrically insulating layer provided on one or both sides of the metal panels.
  • the insulating layer or layers are in direct contact with the metal panels and adhere to them.
  • the insulating layer or layers are spaced from the metal panels and, optionally, connected to these by bridges made of dielectric material.
  • a metallic electric cabin according to the invention is further characterized in that the constituent metallic envelope is capped with a roof secured to its base, which according to one embodiment is metallic and according to another embodiment made of electrically insulating material.
  • the metallic electric cabin is equipped with means allowing the evacuation of the calories generated in its enclosure.
  • Each wall of the cabin is formed of at least two elements, a conductive element 1 and one or more insulating elements 2.
  • FIGS. 1 to 3 show three wall constructions comprising respectively independent elements 1 and 2, contiguous elements 1 and 2 and elements 1 and 2 with dielectric bridges 3.
  • a metallic electric cabin according to the invention is constituted by a metallic enclosure surrounded by an insulating enclosure, which performs the function of step or contact voltage screen.
  • FIGS. 4 to 6 An embodiment and an arrangement according to FIG. 1A are shown in detail in FIGS. 4 to 6.
  • the elements 1 consist of an assembly of vertical panels or modules 1 ′ connected together by T-shaped rails 4 serving to increase their resistance to bending and allowing the fixing of electrical equipment. They are connected to each other at the base by L4 ′ bars, which constitute the interior infrastructure of the cabin ensuring the rigidity of the assembly.
  • the elements 2 consist of an assembly of insulating vertical panels or modules 2 ′ connected together by insulating fence posts 5 in the form of I, in which they are wedged by mortised wooden pieces 5 ′.
  • the cabin floor is covered with an insulating mat 13.
  • the external appearance of the insulating enclosure can be modified arbitrarily according to the type of paint, plaster or mineral, organic or synthetic coating chosen. This allows the cabin style to be adapted to the most diverse urban and environmental requirements.
  • the metal enclosure 1 is also provided with a metal door 14 corresponding to the door 12 of the insulating enclosure 2 and connected to the metal panels 1 ′ by frames 15,16.
  • FIG. 7 shows an embodiment of a metal roof for a cabin according to the invention.
  • the roof shown is connected to the metal enclosure 1 by the lower part of panels 17 constituting the roof slope and by metal parts in V 18. On the edge of the panels 17 is mounted a roof edge 19 protected against sagging by a piece of wood 20 overlapping the insulating panels 2 ′.
  • the roof panels 17 terminate at their upper part in the shape of an inverted L.
  • This shape on both sides of the ridge line constitutes in conjunction with a marquee 21 two openings ensuring the permanent ventilation of the cabin, openings serving as accommodation for a protective lattice 17 ′ constituting a baffle for insects and small animals.
  • This form also constitutes a baffle against the effects of bad weather.
  • the roof tent 21 is made up of two adjacent planes 21 ′ by the ridge line at an obtuse angle. It ends at the base with L-shaped angles 21 "facing each other.
  • This marquee 21 is hingedly mounted at one of these L-shaped ends on a fixed axis 22 carried by the L-shaped end of the corresponding roofing panel 17.
  • the other L-shaped end of the marquee 21 is mounted freely but is locked by a fuse pin system.
  • the fuse pin 23 is mounted in a jumper 24 fixed to a beam 25, forming part of the interior infrastructure of the cabin, and connects by a cable 26 and a cable tensioner 27 to a part 28 of the marquee 21.
  • the cable 26 is in connection with the fuse axis 23 by a ring 29 constituting a link of least resistance.
  • the movable marquee 21 allows the evacuation of the hot air from the cabin.
  • the opening of the marquee is effected by fusion of the axis 23 or by rupture of the ring 29, this under the action of the tensile force resulting from the excess pressure caused by a short circuit or any other cause.
  • the roof overhangs and protects the insulating enclosure thanks to the roof edge 18 which, removable, gives access to the insulating panels 2 ′ also removable. This allows, if necessary, the replacement of a modular insulating panel.
  • a roof made of composite insulating material can be used.
  • the insulating exterior enclosure supports the roof, also made of insulating material, and it is this latter unit which circumscribes and absorbs mechanical stresses in the event of overpressure.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Relay Circuits (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Push-Button Switches (AREA)
  • Building Environments (AREA)
  • Electronic Switches (AREA)
  • Patch Boards (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

Each of the walls of the metal electrical cabin consists of at least two elements, one (1) of which is conductive and the other or others (2) are electrically insulating. The conductive element (1) is constituted by metal panels (1') connected to earth and the insulating element (2) is constituted by an electrically insulating layer (2') provided on one or both faces of the metal panels (1'). <IMAGE>

Description

La présente invention concerne les cabines électriques métalliques et est relative à une telle cabine, exempte de tout danger lié à la tension de pas ou de contact ou exempte de dangers liés au potentiel de paroi perçu par un être vivant foulant le sol et entrant en contact avec ses parois.The present invention relates to metallic electric cabins and relates to such a cabin, free from any danger linked to the step or contact voltage or free from dangers linked to the wall potential perceived by a living being treading on the ground and coming into contact. with its walls.

On connaît des cas d'accidents mortels liés au phénomène de tension de pas ou de contact pour des cabines métalliques.There are known cases of fatal accidents linked to the step or contact voltage phenomenon for metal cabins.

C'est pourquoi il a paru avantageux de réaliser une cabine électrique métallique, dont les parois assurent, en plus des fonctions classiques de cage de Faraday et de barrage thermique ou cinétique, la fonction permanente de barrage vis-à-vis de l'établissement d'un gradient de potentiel entre la paroi métallique et le sol via le corps d'un être humain entrant en contact avec cette paroi.This is why it seemed advantageous to produce a metallic electric cabin, the walls of which ensure, in addition to the conventional functions of Faraday cage and thermal or kinetic barrier, the permanent barrier function vis-à-vis the establishment. of a potential gradient between the metal wall and the ground via the body of a human being coming into contact with this wall.

De plus, il a paru opportun de doubler cet avantage par un système de mesure de la résistance de l'électrode de terre qui, non seulement, bloque l'accès de la cabine en cas de déféctuosité de celle-ci mais déclenche aussi un signal d'avertissement indiquant la présence d'une anomalie.In addition, it seemed appropriate to double this advantage by a system for measuring the resistance of the electrode. earth which not only blocks access to the cabin in the event of a fault, but also triggers a warning signal indicating the presence of an anomaly.

Une cabine électrique métallique suivant l'invention est caractérisée en ce que ses parois sont constituées d'au moins deux éléments, dont l'un est conducteur et l'autre ou les autres isolants électriquement.A metallic electric cabin according to the invention is characterized in that its walls consist of at least two elements, one of which is conductive and the other or the other electrically insulating.

Suivant l'invention l'élément conducteur est constitué de panneaux métalliques reliés à la terre et l'élément isolant est constitué par une couche isolante électriquement prévue sur une ou les deux faces des panneaux métalliques.According to the invention the conductive element consists of metal panels connected to the ground and the insulating element consists of an electrically insulating layer provided on one or both sides of the metal panels.

Suivant une réalisation la ou les couches isolantes sont en contact direct avec les panneaux métalliques et adhèrent à ceux-ci.According to one embodiment, the insulating layer or layers are in direct contact with the metal panels and adhere to them.

Suivant une autre réalisation la ou les couches isolantes sont espacées des panneaux métalliques et, éventuellement, reliées à ceux-ci par des ponts en matière diélectrique.According to another embodiment, the insulating layer or layers are spaced from the metal panels and, optionally, connected to these by bridges made of dielectric material.

Une cabine électrique métallique suivant l'invention est encore caractérisée en ce que l'enveloppe métallique constitutive est coiffée d'un toit solidaire de sa base, qui suivant une réalisation est métallique et suivant une autre réalisation en matière isolante électriquement.A metallic electric cabin according to the invention is further characterized in that the constituent metallic envelope is capped with a roof secured to its base, which according to one embodiment is metallic and according to another embodiment made of electrically insulating material.

Encore suivant l'invention la cabine électrique métallique est équipée de moyens permettant l'évacuation des calories générées dans son enceinte.Still according to the invention, the metallic electric cabin is equipped with means allowing the evacuation of the calories generated in its enclosure.

L'invention est décrite maintenant avec plus de détails sur la base des dessins annexés, à titre d'exemples uniquement, montrant en :

  • Figures 1A, 1B, 1C schématiquement la possibilité d'agencement totalement indépendant du panneau métallique et de la ou des couches isolantes devant former une paroi de la cabine ;
  • Figures 2A, 2B, 2C schématiquement la possibilité d'agencement jointif ;
  • Figures 3A, 3B, 3C schématiquement la possibilité d'agencement avec liaison par ponts diélectriques ;
  • Figures 4 et 5 une vue partielle en perspective d'une paroi de cabine respectivement dans sa partie supérieure et dans sa partie inférieure ;
  • Figure 6 une vue partielle en perspective d'une jonction de parois de cabine, et
  • Figure 7 une vue partielle en perspective d'une toiture de cabine électrique métallique suivant l'invention.
The invention is now described in more detail on the basis of the appended drawings, by way of examples only, showing in:
  • 1A, 1B, 1C schematically the possibility of completely independent arrangement of the metal panel and of the insulating layer or layers which should form a wall of the cabin;
  • 2A, 2B, 2C schematically the possibility of contiguous arrangement;
  • Figures 3A, 3B, 3C schematically the possibility of arrangement with connection by dielectric bridges;
  • Figures 4 and 5 a partial perspective view of a cabin wall respectively in its upper part and in its lower part;
  • FIG. 6 a partial perspective view of a junction of cabin walls, and
  • Figure 7 a partial perspective view of a metal electric cabin roof according to the invention.

Chaque paroi de la cabine est formée d'au moins deux éléments, un élément conducteur 1 et un ou plusieurs éléments isolants 2.Each wall of the cabin is formed of at least two elements, a conductive element 1 and one or more insulating elements 2.

On a représenté dans les figures 1 à 3 trois réalisations de paroi comportant respectivement des éléments 1 et 2 indépendants, des éléments 1 et 2 contigüs et des éléments 1 et 2 avec ponts diélectriques 3.FIGS. 1 to 3 show three wall constructions comprising respectively independent elements 1 and 2, contiguous elements 1 and 2 and elements 1 and 2 with dielectric bridges 3.

Dans chacune de ces figures on a représenté trois dispositions différentes des éléments 1 et 2 entre eux.In each of these figures there are shown three different arrangements of elements 1 and 2 between them.

Dans une forme classique une cabine électrique métallique suivant l'invention est constituée par une enceinte métallique entourée par une enceinte isolante, qui assure la fonction d'écran de tension de pas ou de contact.In a conventional form, a metallic electric cabin according to the invention is constituted by a metallic enclosure surrounded by an insulating enclosure, which performs the function of step or contact voltage screen.

Une réalisation et une disposition suivant la figure 1A sont représentées de manière détaillée dans les figures 4 à 6. On voit la paroi de cabine formée de l'élément métallique conducteur 1 et de l'élément isolant 2. Les éléments 1 sont constituées d'un assemblage de panneaux ou modules verticaux 1′ reliés entre eux par des rails 4 en forme de T servant à augmenter leur résistance à la flexion et permettant la fixation du matériel électrique. Ils sont reliés entre eux à la base par des barres en L4′, qui constituent l'infrastructure intérieure de la cabine assurant la rigidité de l'ensemble.An embodiment and an arrangement according to FIG. 1A are shown in detail in FIGS. 4 to 6. We see the cabin wall formed from the conductive metallic element 1 and from the insulating element 2. The elements 1 consist of an assembly of vertical panels or modules 1 ′ connected together by T-shaped rails 4 serving to increase their resistance to bending and allowing the fixing of electrical equipment. They are connected to each other at the base by L4 ′ bars, which constitute the interior infrastructure of the cabin ensuring the rigidity of the assembly.

De leur côté les éléments 2 sont constitués d'un assemblage de panneaux ou modules verticaux isolants 2′ reliés entre eux par des piquets de clôture isolants 5 en forme de I, dans lesquels ils sont calés par des pièces mortaisées en bois 5′.For their part, the elements 2 consist of an assembly of insulating vertical panels or modules 2 ′ connected together by insulating fence posts 5 in the form of I, in which they are wedged by mortised wooden pieces 5 ′.

Ces piquets 5 remplissent les fonctions suivantes :

  • jonction et assemblage de deux panneaux isolants consécutifs 2′ pour la constitution de l'élément isolant 2 ;
  • fixation de l'élément isolant 2 au socle en béton 6 servant d'assise à la cabine par un moyen de fixation 7 en forme de L ;
  • fixation de l'élément isolant 2 à des pièces de coin 8 en bois ou matière plastique isolante et résiliente, protégées extérieurement par des pièces métalliques angulaires 9 et fixées au sol en 10 ;
  • assemblage de l'élément isolant 2 et d'un montant 11 constituant le chambranle d'une porte 12 en bois permettant le passage à travers l'enceinte isolante.
These stakes 5 fulfill the following functions:
  • junction and assembly of two consecutive insulating panels 2 ′ for the constitution of the insulating element 2;
  • fixing the insulating element 2 to the concrete base 6 serving as a seat for the cabin by an L-shaped fixing means 7;
  • fixing the insulating element 2 to corner pieces 8 of wood or insulating and resilient plastic, externally protected by angular metal pieces 9 and fixed to the ground at 10;
  • assembly of the insulating element 2 and an upright 11 constituting the frame of a wooden door 12 allowing passage through the insulating enclosure.

Le sol de la cabine est recouvert d'un tapis isolant 13.The cabin floor is covered with an insulating mat 13.

L'aspect extérieur de l'enceinte isolante est modifiable arbitrairement selon le type de peinture, crépi ou revêtement minéral, organique ou synthétique choisi. Ceci permet une adaptation du style de la cabine aux exigences urbanistiques et de l'environnement les plus diverses.The external appearance of the insulating enclosure can be modified arbitrarily according to the type of paint, plaster or mineral, organic or synthetic coating chosen. This allows the cabin style to be adapted to the most diverse urban and environmental requirements.

L'enceinte métallique 1 est également pourvue d'une porte métallique 14 correspondant à la porte 12 de l'enceinte isolante 2 et reliée aux panneaux métalliques 1′ par des éléments de chambranle 15,16.The metal enclosure 1 is also provided with a metal door 14 corresponding to the door 12 of the insulating enclosure 2 and connected to the metal panels 1 ′ by frames 15,16.

Ces portes d'accès 12, 14 à la cabine sont munies d'un système de blocage en position totalement ouverte.These access doors 12, 14 to the cabin are provided with a locking system in the fully open position.

La cabine métallique reliée à la terre et servant de cage de Faraday est coiffée d'un toit, qui peut être métallique ou en matière isolante composite. On a représenté en figure 7 une réalisation de toiture métallique pour une cabine suivant l'invention.The metal cabin connected to the ground and serving as Faraday's cage is topped with a roof, which can be metallic or made of composite insulating material. FIG. 7 shows an embodiment of a metal roof for a cabin according to the invention.

La toiture représentée est reliée à l'enceinte métallique 1 par la partie inférieure de panneaux 17 constitutifs de la pente de toiture et par des pièces métalliques en V 18. Sur le bord des panneaux 17 est montée une bordure de toiture 19 protégée contre le fléchissement par une pièce en bois 20 chevauchant les panneaux isolants 2′.The roof shown is connected to the metal enclosure 1 by the lower part of panels 17 constituting the roof slope and by metal parts in V 18. On the edge of the panels 17 is mounted a roof edge 19 protected against sagging by a piece of wood 20 overlapping the insulating panels 2 ′.

Les panneaux de toiture 17 se terminent à leur partie supérieure en forme de L renversé. Cette forme des deux côtés de la ligne faîtière constitue en conjonction avec un chapiteau 21 deux ouvertures assurant l'aération permanente de la cabine, ouvertures servant de logement à un treillis de protection 17′ constituant une chicane pour les insectes et les petits animaux. Cette forme constitue également une chicane contre les effets des intempéries.The roof panels 17 terminate at their upper part in the shape of an inverted L. This shape on both sides of the ridge line constitutes in conjunction with a marquee 21 two openings ensuring the permanent ventilation of the cabin, openings serving as accommodation for a protective lattice 17 ′ constituting a baffle for insects and small animals. This form also constitutes a baffle against the effects of bad weather.

Le chapiteau de toiture 21 est constitué de deux plans 21′ adjacents par la ligne de faîte suivant un angle obtus. Il se termine à la base par des cornières en L 21" se faisant vis-à-vis.The roof tent 21 is made up of two adjacent planes 21 ′ by the ridge line at an obtuse angle. It ends at the base with L-shaped angles 21 "facing each other.

Ce chapiteau 21 est monté de manière articulée à l'une de ces extrémités en L sur un axe fixe 22 porté par l'extrémité en L du panneau de toiture correspondant 17. L'autre extrémité en L du chapiteau 21 est montée de manière libre mais est verrouillée par un système à axe fusible. L'axe fusible 23 est monté dans un cavalier 24 fixé à une poutre 25, faisant partie de l'infrastructure intérieure de la cabine, et relie par un câble 26 et un tendeur de câble 27 à une pièce 28 du chapiteau 21. Le câble 26 est en liaison avec l'axe fusible 23 par un anneau 29 constituant un chaînon de moindre résistance.This marquee 21 is hingedly mounted at one of these L-shaped ends on a fixed axis 22 carried by the L-shaped end of the corresponding roofing panel 17. The other L-shaped end of the marquee 21 is mounted freely but is locked by a fuse pin system. The fuse pin 23 is mounted in a jumper 24 fixed to a beam 25, forming part of the interior infrastructure of the cabin, and connects by a cable 26 and a cable tensioner 27 to a part 28 of the marquee 21. The cable 26 is in connection with the fuse axis 23 by a ring 29 constituting a link of least resistance.

En conditions de surpression le chapiteau mobile 21 permet l'évacuation de l'air chaud de la cabine. L'ouverture du chapiteau s'effectue par fusion de l'axe 23 ou par rupture de l'anneau 29, ceci sous l'action de la force de traction résultant de l'excédent de pression provoqué par un court-circuit ou tout autre cause.In overpressure conditions the movable marquee 21 allows the evacuation of the hot air from the cabin. The opening of the marquee is effected by fusion of the axis 23 or by rupture of the ring 29, this under the action of the tensile force resulting from the excess pressure caused by a short circuit or any other cause.

On peut citer d'autres moyens, non représentés aux dessins, permettant l'évacuation des calories :

  • un ventilateur, situé dans la partie supérieure de la cabine, et une grille de sortie d'air, équipée de chicanes antipluie et prévue dans la paroi de la cabine en regard du ventilateur ;
  • un assemblage de panneaux constitutifs de la cabine selon une structure en accordéon ;
  • un couvercle en matière isolante, retenu par des chaînes et scellé dans la toiture ou le sol par l'intermédiaire d'une jointure présentant des propriétés mécaniques de moindre résistance par rapport à l'ensemble et provoquant une ouverture réversible en cas de court-circuit.
We can cite other means, not shown in the drawings, allowing the evacuation of calories:
  • a fan, located in the upper part of the cabin, and an air outlet grille, fitted with rain baffles and provided in the wall of the cabin facing the fan;
  • an assembly of panels constituting the cabin according to an accordion structure;
  • a cover of insulating material, retained by chains and sealed in the roof or the ground by means of a joint having mechanical properties of less resistance compared to the assembly and causing a reversible opening in the event of a short circuit .

La toiture surplombe et protège l'enceinte isolante grâce à la bordure de toiture 18 qui, démontable, donne accès aux panneaux isolants 2′ également démontables. Ceci permet, le cas échéant, le remplacement d'un panneau modulaire isolant.The roof overhangs and protects the insulating enclosure thanks to the roof edge 18 which, removable, gives access to the insulating panels 2 ′ also removable. This allows, if necessary, the replacement of a modular insulating panel.

Tout en assurant les mêmes fonctions que la toiture métallique, une toiture en matière isolante composite peut être utilisée.While providing the same functions as metal roofing, a roof made of composite insulating material can be used.

Dans une autre réalisation, où l'enceinte métallique sert de cage de Faraday et d'infrastructure intérieure, l'enceinte extérieure isolante supporte la toiture, également en matière isolante, et c'est ce dernier ensemble qui circonscrit et absorbe les contraintes mécaniques en cas de surpression.In another embodiment, where the metal enclosure serves as Faraday cage and interior infrastructure, the insulating exterior enclosure supports the roof, also made of insulating material, and it is this latter unit which circumscribes and absorbs mechanical stresses in the event of overpressure.

Claims (15)

Cabine électrique métallique, caractérisée en ce que chacune de ses parois est constituée d'au moins deux éléments, dont l'un (1) est conducteur et l'autre ou les autres (2) sont isolants électriquement.Metallic electric cabin, characterized in that each of its walls consists of at least two elements, one of which (1) is conductive and the other or the others (2) of which are electrically insulating. Cabine électrique suivant la revendication 1, caractérisé en ce que l'élément conducteur (1) est constitué par des panneaux métalliques (1′) reliés à la terre et l'élément isolant (2) est constitué par une couche isolante électriquement (2′), prévue sur une ou les deux faces des panneaux métalliques (1′).Electric cabin according to claim 1, characterized in that the conductive element (1) consists of metal panels (1 ′) connected to the ground and the insulating element (2) consists of an electrically insulating layer (2 ′ ), provided on one or both sides of the metal panels (1 ′). Cabine électrique suivant la revendication 2, caractérisée en ce que la ou les couches isolantes (2′) sont en contact direct avec les panneaux métalliques (1′) et adhèrent à ceux-ci.Electric cabin according to claim 2, characterized in that the insulating layer or layers (2 ′) are in direct contact with the metal panels (1 ′) and adhere to them. Cabine électrique suivant la revendication 2, caractérisée en ce que la ou les couches isolantes (2′) sont espacées des panneaux métalliques (1′) et, éventuellement, reliées à ceux-ci par des ponts (3) en matière diélectrique.Electric cabin according to claim 2, characterized in that the insulating layer or layers (2 ′) are spaced from the metal panels (1 ′) and, possibly, connected to these by bridges (3) made of dielectric material. Cabine électrique suivant une ou plusieurs des revendications 1 à 4, caractérisée en ce que les portes d'accès (12,14) à la cabine sont munies d'un système de blocage en position totalement ouverte.Electric cabin according to one or more of Claims 1 to 4, characterized in that the access doors (12,14) to the cabin are provided with a locking system in the fully open position. Cabine électrique suivant une ou plusieurs des revendications 1 à 5, caractérisée en ce que l'enceinte métallique (1) est coiffée d'un toit métallique (17,21) solidaire de sa base et formant une enveloppe résistant à et contenant les sollicitations mécaniques et cinétiques causées par une surpression consécutive à un court-circuit ou à toute autre cause.Electric cabin according to one or more of claims 1 to 5, characterized in that the metallic enclosure (1) is topped with a metallic roof (17,21) integral with its base and forming an envelope resistant to and containing the mechanical stresses and kinetics caused by overpressure following a short circuit or any other cause. Cabine électrique suivant une ou plusieurs des revendications 1 à 5, caractérisée en ce que l'enceinte métallique (1) est coiffée d'un toit en matière isolante, solidaire de la base et formant une enveloppe résistant à et contenant les sollicitations mécaniques causées par une surpression consécutive à un court-circuit ou à tout autre cause.Electric cabin according to one or more of Claims 1 to 5, characterized in that the metallic enclosure (1) is topped with a roof made of insulating material, integral with the base and forming an envelope resistant to and containing the mechanical stresses caused by overpressure following a short circuit or any other cause. Cabine électrique suivant une ou plusieurs des revendications 1 à 5, caractérisée en ce que l'enceinte métallique (1) reliée à la terre est contenue dans une enceinte isolante, comprenant les parois extérieures et la toiture qui forment une enveloppe résistant à et contenant les sollicitations mécaniques causées par une surpression consécutive à un court-circuit ou à toute autre cause.Electric cabin according to one or more of claims 1 to 5, characterized in that the metallic enclosure (1) connected to the ground is contained in an insulating enclosure, comprising the external walls and the roof which form a resistant envelope containing the mechanical stress caused by overpressure following a short circuit or any other cause. Cabine électrique suivant l'une quelconque des revendications 1 à 8, caractérisée en ce qu'elle est équipée d'un système de mesure de la résistance de l'électrode de terre, bloquant l'accès de la cabine en cas de défectuosité et déclenchant un signal d'avertissement.Electric cabin according to any one of Claims 1 to 8, characterized in that it is equipped with a system for measuring the resistance of the earth electrode, blocking access to the cabin in the event of a fault and triggering a warning signal. Cabine électrique suivant une ou plusieurs des revendications 1 à 9, caractérisée en ce qu'elle est équipée de moyens permettant l'évacuation des calories générées dans son enceinte.Electric cabin according to one or more of claims 1 to 9, characterized in that it is equipped with means allowing the evacuation of the calories generated in its enclosure. Cabine électrique suivant la revendication 10, caractérisée en ce que les moyens sont constitués par une gachette fusible (23,24) qui, lors de sa fusion, déclenche une ouverture réversible dans la toiture (17,21) ou dans le sol de la cabine.Electric cabin according to claim 10, characterized in that the means consist of a fusible trigger (23, 24) which, when it melts, triggers a reversible opening in the roof (17,21) or in the cabin floor. Cabine électrique suivant la revendication 10, caractérisée en ce que les moyens sont constitués par un chaînon de moindre résistance (28) qui, lors de sa rupture, déclenche l'apparition d'une ouverture réversible dans la toiture (17,21) ou le sol de la cabine.Electric cabin according to claim 10, characterized in that the means consist of a link of least resistance (28) which, when broken, triggers the appearance of a reversible opening in the roof (17,21) or the cabin floor. Cabine électrique suivant la revendication 10, caractérisée en ce que les moyens sont constitués par un ventilateur situé dans la partie supérieure de la cabine et par une grille de sortie d'air équipée de chicanes antipluie et prévue dans la paroi de la cabine en regard du ventilateur.Electric cabin according to claim 10, characterized in that the means consist of a fan located in the upper part of the cabin and by an air outlet grille equipped with rain baffles and provided in the wall of the cabin facing the fan. Cabine électrique suivant la revendication 10, caractérisée en ce que les moyens sont constitués par un assemblage de panneaux constitutifs de la cabine selon une structure en accordéon.Electric cabin according to claim 10, characterized in that the means consist of an assembly of panels constituting the cabin according to an accordion structure. Cabine électrique suivant la revendication 10, caractérisée en ce que les moyens sont constitués par un couvercle en matière isolante, retenu par des chaînes et scellé dans la toiture ou le sol par l'intermédiaire d'une jointure présentant des propriétés mécaniques de moindre résistance par rapport à l'ensemble et provoquant une ouverture réversible en cas de surpression due à un court-circuit ou à toute autre cause.Electric cabin according to claim 10, characterized in that the means consist of a cover made of insulating material, retained by chains and sealed in the roof or the ground by means of a joint having mechanical properties of lower resistance by relative to the assembly and causing a reversible opening in the event of overpressure due to a short circuit or any other cause.
EP91870162A 1990-10-15 1991-10-11 Electrical metal cabin without step potential or contact voltage Expired - Lifetime EP0481948B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9000973A BE1003910A6 (en) 1990-10-15 1990-10-15 Not without power metal cabin pressure.
BE9000973 1990-10-15

Publications (3)

Publication Number Publication Date
EP0481948A2 true EP0481948A2 (en) 1992-04-22
EP0481948A3 EP0481948A3 (en) 1993-02-10
EP0481948B1 EP0481948B1 (en) 1998-03-04

Family

ID=3884971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91870162A Expired - Lifetime EP0481948B1 (en) 1990-10-15 1991-10-11 Electrical metal cabin without step potential or contact voltage

Country Status (6)

Country Link
EP (1) EP0481948B1 (en)
AT (1) ATE163832T1 (en)
BE (1) BE1003910A6 (en)
DE (2) DE69128997D1 (en)
DK (1) DK0481948T3 (en)
ES (1) ES2115610T3 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832605A (en) * 1973-05-01 1974-08-27 Westinghouse Electric Corp Prefabricated housing for electrical switchgear with external housing wall attachment means
DE2316933A1 (en) * 1973-04-04 1974-10-17 Siemens Ag MOBILE, ESPECIALLY WALK-IN CONTAINER FOR ACCOMMODATING ELECTRICAL EQUIPMENT
EP0048488A1 (en) * 1980-09-23 1982-03-31 Siemens Aktiengesellschaft Plastics housing
DE3809323A1 (en) * 1988-03-19 1989-09-28 Emv Elektromagnetische Volumen Screening cabin
DE9017344U1 (en) * 1990-12-22 1991-03-07 Kabinenbaugesellschaft für MR-Tomographie als Störschutz in der medizinischen Technik mbH, 6110 Dieburg Shielding cabin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316933A1 (en) * 1973-04-04 1974-10-17 Siemens Ag MOBILE, ESPECIALLY WALK-IN CONTAINER FOR ACCOMMODATING ELECTRICAL EQUIPMENT
US3832605A (en) * 1973-05-01 1974-08-27 Westinghouse Electric Corp Prefabricated housing for electrical switchgear with external housing wall attachment means
EP0048488A1 (en) * 1980-09-23 1982-03-31 Siemens Aktiengesellschaft Plastics housing
DE3809323A1 (en) * 1988-03-19 1989-09-28 Emv Elektromagnetische Volumen Screening cabin
DE9017344U1 (en) * 1990-12-22 1991-03-07 Kabinenbaugesellschaft für MR-Tomographie als Störschutz in der medizinischen Technik mbH, 6110 Dieburg Shielding cabin

Also Published As

Publication number Publication date
DE69128997D1 (en) 1998-04-09
EP0481948B1 (en) 1998-03-04
EP0481948A3 (en) 1993-02-10
ES2115610T3 (en) 1998-07-01
DK0481948T3 (en) 1998-11-30
DE69128997T4 (en) 1998-10-08
DE69128997T2 (en) 1998-06-18
ATE163832T1 (en) 1998-03-15
BE1003910A6 (en) 1992-07-14

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